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Cryptonym: QUANTUM-50

Unknown identity. QUANTUM-50 appears to have informed Manuel Artime (AMBIDDY-1) about the location of his father in Cuba in around June 1964.
A memo from CIA officer Henry D. Hecksher in May 1964 stated that Artime's mother link to her son used to be through the Spanish Commercial Attache in Havana. Although it is possible that the link was renewed between May and June of 1964, when the memo about QUANTUM-50 informing Artime about his father was written, it appears likely that QUANTUM-50 was probably not the Spanish Commercial Attache in Havana.

104-10163-10041: MEMO: AMWORLD - WITHHELD

05/09/64, Memo from Henry D. Hecksher, WH/SA/SO/HH, to Chief, WH/SA/External Operations Branch: "1. Subject, who is Manuel Artime's aged mother, has last been reported as hiding out in Iglesia Cristo de Limpias in Havana city. 2. Artime has been without news from her for the last two months. His link to her used to be the Spanish Commercial Attache in Havana. 3. We have promised Artime to study ways and means of contacting her in order to ascertain her state of health, her husband's whereabouts and any personal needs she may have. 4. Can you come up with any ideas?"

104-10163-10041: MEMO: AMBIDDY-1'S FATHER

Memo from Henry D. Hecksher, WH/SA/SO/HH: Titled: AMWORLD Meeting in (REDACTION) 7-8 June 1964: "1. AMBIDDY-1 claims to have learned via QUANTUM-50 that his father is hiding in the home of a friend in the Havana area. 2. AMBIDDY-1 senior sent word that he is in touch with some old CP buddies who have offered to help him get out of Cuba. AMBIDDY-1 is anxious to pass a message to his father but not via QUANTUM-50 because of his distrust in the political orientation of 50's government. In this message, AMBIDDY-1 wants to suggest to his father that he induce an 'old CP' emissary to meet with AMBIDDY-1 outside of Cuba, e.g. in Mexico. AMBIDDY-1 believes that the rift between AMTHUG's regime and the old CP offers unprecedented opportunities to cause mischief."

See Also:
Gavin McDonald

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